Contributor Institution:
Department of Botany, University of Karachi,
Karachi-75270

General/Distribution:
A family of single genus and 17 species, almost cosmopolitan in distribution. Represented in Pakistan by 2 species.

Comment/Acknowledgements:Acknowledgements: We are grateful to the authorities of BM, K, RAW for providing herbarium and library facilities and for the loan of specimens and to Prof. C.DK. Cook (Zurich) for going through the manuscript and offering valuable suggestions.